Product details:

The adjustable height legs feature removable duplex knockouts on front and rear for installation of either a hard wired electrical outlet or an optional plug-in outlet that easily screws into place with no wiring necessary. The legs is made of steel and allow height adjustment from 29 to 35H in 1-1/2 increments. It is finished with scratch-resistant gray powder coat. The top is pre-drilled to allow easy attachment to workbenches. The base plate comes with 5/16 diameter hole for floor anchoring. This leg does not include hardware for bench top mounting. A bench stringer is needed to provide stability when a bench top is added. The workbench stringer comes with mounting hardware to assemble legs to the bench top. Priced per leg.